Get 500 stars.
Get 100 stars.
Get 1000 stars.
Get 1500 stars.
Get 3000 stars.
Get 2000 stars.
Complete all free classic level packs.
Get 3 stars on every free classic puzzle.
Get 3 stars on every free classic puzzle, 3 times (requires two "Reset Progress").
Get 3 stars on every free classic puzzle, twice (requires a "Reset Progress").
Get 3 stars on every classic puzzle in the game (requires to unlock all packs in the store).
Solve at least one puzzle in each "Challenge" mode.
Get 5000 Stars.